Security record · archived quarter
SBLK
Star Bulk Carriers Corp. · Industrials · Marine Shipping
60Tracked holders
-2Δ holders
26.78MShares held
$614.61MReported value
+9New positions
−11Exits
Momentum inputs (comparable managers):
holder breadth -3.2% ·
share flow +9.3% ·
net new positions -3.3%
· formula
Concentrated accumulation: rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 66 | +5 | 27.93M | $697.06M | +9 | −3 |
| Q1 2026 | 60 | -2 | 26.78M | $614.61M | +9 | −11 |
| Q4 2025 | 61 | +3 | 24.87M | $477.43M | +4 | −1 |
| Q3 2025 | 14 | 0 | 9.51M | $176.80M | +2 | −3 |
| Q2 2025 | 12 | 0 | 8.41M | $145.10M | +1 | −1 |
| Q1 2025 | 9 | -3 | 9.60M | $149.38M | +1 | −4 |
| Q4 2024 | 12 | 0 | 14.02M | $209.62M | n/a | n/a |
| Q3 2024 | 11 | 0 | 14.93M | $353.71M | n/a | n/a |
| Q2 2024 | 11 | n/a | 20.05M | $488.82M | n/a | n/a |
Who holds it · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | Two Sigma Investments ✦ | 3.01M | +435.7% | $69.21M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 2 | Renaissance Technologies ✦ | 2.07M | +13.0% | $47.49M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 3 | Victory Capital Management Inc | 1.92M | New | $44.11M | 0.0% | New | 1 | SEC ↗ |
| 4 | Goldman Sachs Group ✦ | 1.74M | +173.5% | $39.92M | 0.0% | ▲ Add | 3 | SEC ↗ ×2 |
| 5 | Boston Partners | 1.63M | +92.9% | $37.37M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | Morgan Stanley ✦ | 1.53M | +40.2% | $35.25M | 0.0% | ▲ Add | 3 | SEC ↗ ×7 |
| 7 | Marshall Wace ✦ | 1.22M | +1168.9% | $27.95M | 0.0% | ▲ Add | 2 | SEC ↗ ×4 |
| 8 | D. E. Shaw & Co. ✦ | 1.17M | +1084.0% | $26.96M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | Focus Partners Wealth | 1.14M | +9.5% | $26.18M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | Qube Research & Technologies Ltd | 1.09M | New | $24.96M | 0.0% | New | 1 | SEC ↗ |
| 11 | Allianz Asset Management GmbH | 799.44K | +4.3% | $18.36M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | Point72 Asset Management ✦ | 789.93K | -2.1% | $18.14M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 13 | Hrt Financial Lp | 771.23K | +1625.5% | $17.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | Arrowstreet Capital ✦ | 757.43K | New | $17.40M | 0.0% | New | 1 | SEC ↗ |
| 15 | Tudor Investment Corp Et Al | 735.01K | New | $16.88M | 0.1% | New | 1 | SEC ↗ |
| 16 | Millennium Management ✦ | 719.50K | -18.9% | $16.53M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 17 | JPMorgan Chase ✦ | 652.54K | +210.4% | $14.36M | 0.0% | ▲ Add | 3 | SEC ↗ ×5 |
| 18 | BlackRock ✦ (passive) | 600.50K | +268.5% | $13.79M | 0.0% | ▲ Add | 4 | SEC ↗ ×13 |
| 19 | Bank Of America Corp /De/ | 565.56K | +48.5% | $12.99M | 0.0% | ▲ Add | 2 | SEC ↗ ×5 |
| 20 | Bridgewater Associates ✦ | 551.33K | -8.8% | $12.66M | 0.1% | ▼ Trim | 3 | SEC ↗ |
| 21 | Jane Street Group, Llc | 550.29K | +53.9% | $12.64M | 0.0% | ▲ Add | 2 | SEC ↗ ×3 |
| 22 | Citadel Advisors ✦ | 411.25K | New | $9.45M | 0.0% | New | 1 | SEC ↗ ×2 |
| 23 | Russell Investments Group, Ltd. | 379.45K | +46.8% | $8.72M | 0.0% | ▲ Add | 2 | SEC ↗ ×11 |
| 24 | Susquehanna International Group, Llp | 284.57K | -41.8% | $6.54M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 25 | LPL Financial LLC | 272.76K | +77.0% | $6.27M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 26 | UBS Group AG | 203.89K | -77.7% | $4.68M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 27 | Geode Capital Management ✦ (passive) | 154.11K | +2.6% | $3.54M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 28 | State Street Global Advisors ✦ (passive) | 115.55K | -9.6% | $2.65M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 29 | Bnp Paribas Financial Markets | 97.10K | +143.4% | $2.23M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 30 | Squarepoint Ops LLC | 81.29K | New | $1.87M | 0.0% | New | 1 | SEC ↗ |
| 31 | Northern Trust Corp | 76.60K | -0.8% | $1.76M | 0.0% | ▼ Trim | 2 | SEC ↗ ×4 |
| 32 | Stifel Financial Corp | 74.24K | -11.1% | $1.71M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 33 | Tidal Investments LLC | 69.33K | +50.0% | $1.59M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | Vanguard Capital Management Llc | 68.61K | n/a | $1.58M | 0.0% | n/c | 1 | SEC ↗ |
| 35 | Cetera Investment Advisers | 65.31K | +430.5% | $1.50M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | Raymond James Financial Inc | 54.67K | -3.8% | $1.26M | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 37 | Ameriprise Financial Inc | 39.85K | -98.1% | $915,455 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 38 | Hsbc Holdings Plc | 40.10K | New | $909,067 | 0.0% | New | 1 | SEC ↗ |
| 39 | Balyasny Asset Management L.P. | 32.87K | +153.3% | $755,024 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 40 | FIL Ltd | 32.58K | -90.6% | $748,432 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 41 | Group One Trading Llc | 25.53K | -88.5% | $586,332 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 42 | Simplex Trading, Llc | 25.19K | -5.4% | $578,706 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 43 | Wells Fargo & Company/Mn | 21.95K | -23.0% | $504,279 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 44 | Gotham Asset Management ✦ | 21.60K | 0.0% | $496,152 | 0.0% | Held | 5 | SEC ↗ |
| 45 | UBS AM, a distinct business unit of… | 20.23K | -67.9% | $464,683 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 46 | Mariner, LLC | 20.08K | +14.9% | $461,170 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 47 | Osaic Holdings, Inc. | 19.59K | -61.0% | $450,116 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 48 | Royal Bank Of Canada | 17.18K | -35.6% | $394,000 | 0.0% | ▼ Trim | 2 | SEC ↗ ×2 |
| 49 | CIBC Bancorp USA Inc. | 15.10K | n/a | $346,847 | 0.0% | n/c | 1 | SEC ↗ |
| 50 | Citigroup Inc | 12.32K | +19.4% | $283,014 | 0.0% | ▲ Add | 2 | SEC ↗ ×2 |
| 51 | Bank Julius Baer & Co. Ltd, Zurich | 5.17K | New | $118,707 | 0.0% | New | 1 | SEC ↗ |
| 52 | Legal & General Group Plc | 5.08K | 0.0% | $116,595 | 0.0% | Held | 2 | SEC ↗ |
| 53 | Us Bancorp \De\ | 3.07K | 0.0% | $70,610 | 0.0% | Held | 2 | SEC ↗ |
| 54 | Northwestern Mutual Wealth… | 2.60K | -1.3% | $59,837 | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 55 | Nomura Asset Management Co Ltd | 2.50K | 0.0% | $57,425 | 0.0% | Held | 2 | SEC ↗ |
| 56 | Jones Financial Companies Lllp | 1.73K | +6.4% | $38,428 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 57 | Fidelity (FMR) ✦ | 945 | 0.0% | $21,707 | 0.0% | Held | 4 | SEC ↗ |
| 58 | Rockefeller Capital Management L.P. | 299 | +53.3% | $6,868 | 0.0% | ▲ Add | 2 | SEC ↗ |
| 59 | Barclays Plc | 220 | New | $5,053 | 0.0% | New | 1 | SEC ↗ |
| 60 | Pacer Advisors, Inc. | 107 | -54.5% | $2,000 | 0.0% | ▼ Trim | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value: the conviction measure. ✦ = curated manager.
New buyers
| Victory Capital Management Inc | $44.11M | 0.0% |
| Qube Research & Technologies… | $24.96M | 0.0% |
| Arrowstreet Capital | $17.40M | 0.0% |
| Tudor Investment Corp Et Al | $16.88M | 0.1% |
| Citadel Advisors | $9.45M | 0.0% |
| Squarepoint Ops LLC | $1.87M | 0.0% |
| Hsbc Holdings Plc | $909,067 | 0.0% |
| Bank Julius Baer & Co. Ltd… | $118,707 | 0.0% |
| Barclays Plc | $5,053 | 0.0% |
Exited
| Alliancebernstein L.P. | $112.11M | was 0.0% |
| Oaktree Capital Management | $37.73M | was 0.8% |
| Franklin Resources Inc | $8.90M | was 0.0% |
| Deutsche Bank Ag\ | $2.62M | was 0.0% |
| Credit Agricole S A | $2.32M | was 0.0% |
| Walleye Trading LLC | $596,685 | was 0.0% |
| IMC-Chicago, LLC | $530,203 | was 0.0% |
| American Century Companies Inc | $382,901 | was 0.0% |
| Commonwealth Equity Services… | $238,308 | was 0.0% |
| Rhumbline Advisers | $21,735 | was 0.0% |
| National Bank Of Canada /Fi/ | $4,800 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 186 holders, 37.42M shares, $814.50M reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold: shared-ownership counts, not fundamental relationships.
Open-market purchases (P)
Oct 13
Zagari Raffaele
Director · 0 sh · n/a
Sep 15
Karellis Nikolaos
Director · 2.00K sh @ 28.27 · $56,540
Sep 15
Erhardt Koert
Director · 6.00K sh @ 28.27 · $169,620
Open-market sales (S)
Oct 13
Zagari Raffaele
Director · 7.58K sh · $227,400
Oct 05
Erhardt Koert
Director · 6.00K sh · $182,340
Sep 21
Vrettou Eleni
Director · 3.50K sh · $112,420
Sep 18
Balakrishnan Mahesh
Director · 10.00K sh · $323,400
Aug 25
Zagari Raffaele
Director · 50.00K sh · $1.56M
Aug 24
Zagari Raffaele
Director · 50.00K sh · $1.53M
Aug 17
Plakantonaki Charis
Officer · 10.82K sh · $322,803
Awards, exercises and tax withholding are never counted as buys or sales here. Methodology
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q1 2026 ·
Methodology ·
Get this via the API